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The Lake Erie watersnake varies in its appearance. Males can reach 59–71 cm (23–28 in) in length, while females can reach 80–88 cm (31–35 in). [7] The subspecies is closely related to the northern watersnake, but its dorsal brown bands are less prominent, giving it a more uniformly gray appearance.
Copperbelly water snakes have a solid dark (usually black but bluish and brown) back with a bright orange-red belly. They grow to a total length of 3 to 5 feet (91 to 152 cm). They are not venomous. The longest total length on record is 65.5 inches (166 cm) for a specimen from the northern edge of their range.
The introduction of an invasive species, the Eurasian round goby (Neogobius melanostomus) into Lake Erie in the mid-1990s became a new food source for the Lake Erie watersnake. By 2009, the population recovered to 11,980 snakes, safely exceeding the population minimum goal of 5,555 adult snakes required by the 2003 recovery plan.
Out of Pennsylvania’s 21 species of snake only three are venomous. Two are found in the central region. Julian Avery from Penn State explains what to look for.
Nerodia erythrogaster, also known as the plain-bellied water snake or plainbelly water snake, is a common species of semi-aquatic, non-venomous colubrid snake endemic to the United States. Description
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Round Gobies are also a primary meal choice for Lake Erie water snakes (Nerodia sipedon insularum). Yet in smaller rivers and ponds where some Great Lake fish and snakes are not found, gobies are ...
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